<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Verdana;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman",serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
p.msonormal0, li.msonormal0, div.msonormal0
{mso-style-name:msonormal;
mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:12.0pt;
font-family:"Times New Roman",serif;}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Arial",sans-serif;
color:windowtext;
font-weight:normal;
font-style:normal;
text-decoration:none none;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="#0563C1" vlink="#954F72">
<div class="WordSection1">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">John,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">If the wall touches the other building and the other building is about the same temperature (not an open parking garage) so that there is no heat transfer through the wall, then
I would treat it as an adiabatic wall.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">If there is a gap, I would treat it as an outside wall and put a site shade right next to it.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">If the gap is really small so that it’s neither totally exposed to the outside ambient conditions nor totally adiabatic, you could increase the wall’s effective R-value to approximate
the heat transfer rate you think is really happening.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">Keith Swartz, PE
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:gray">|
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">Senior Energy Engineer<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:110%"><b><span style="font-size:10.0pt;line-height:110%;font-family:"Arial",sans-serif;color:black">Seventhwave</span></b><b><span style="font-size:10.0pt;line-height:110%;font-family:"Arial",sans-serif;color:gray"><o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height:110%"><span style="font-size:10.0pt;line-height:110%;font-family:"Arial",sans-serif;color:black">608.210.7123 seventhwave.org<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> John Aulbach via Equest-users [mailto:equest-users@lists.onebuilding.org]
<br>
<b>Sent:</b> Wednesday, August 31, 2016 4:42 PM<br>
<b>To:</b> via Equest-users <equest-users@lists.onebuilding.org><br>
<b>Subject:</b> [Equest-users] Outside wall to outside wall<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div id="yui_3_16_0_ym19_1_1472679516589_4504">
<p class="MsoNormal" style="background:white"><span style="font-family:"Verdana",sans-serif;color:black">Hi Gang:<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_ym19_1_1472679516589_4504">
<p class="MsoNormal" style="background:white"><span style="font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_ym19_1_1472679516589_4504">
<p class="MsoNormal" style="background:white"><span style="font-family:"Verdana",sans-serif;color:black">Food (and query) for thought.<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_ym19_1_1472679516589_4504">
<p class="MsoNormal" style="background:white"><span style="font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_ym19_1_1472679516589_4504">
<p class="MsoNormal" style="background:white"><span style="font-family:"Verdana",sans-serif;color:black">I am doing a remodel of a New York Building that is essentially a tenement (?). Building squished between other buildings. Side walls essentially lay against
next building.<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_ym19_1_1472679516589_4504">
<p class="MsoNormal" style="background:white"><span style="font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_ym19_1_1472679516589_4504">
<p class="MsoNormal" style="background:white"><span style="font-family:"Verdana",sans-serif;color:black">Inside wall? Outside wall with no solar?<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_ym19_1_1472679516589_4504">
<p class="MsoNormal" style="background:white"><span style="font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_ym19_1_1472679516589_4504">
<p class="MsoNormal" style="background:white"><span style="font-family:"Verdana",sans-serif;color:black">How would you model this?<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_ym19_1_1472679516589_4504">
<p class="MsoNormal" style="background:white"><span style="font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_ym19_1_1472679516589_4504">
<p class="MsoNormal" style="background:white"><span style="font-family:"Verdana",sans-serif;color:black">John R. Aulbach, PE<o:p></o:p></span></p>
</div>
</div>
</div>
</body>
</html>